1results about How to "Suppress overvoltage" patented technology

A kind of combined grid-friendly photovoltaic confluence system for 5G base station, including confluence unit, sensing unit, photovoltaic power generation system is accessed to direct current bus through confluence unit;Sensing unit collects distribution network voltage information and is transmitted to confluence unit in real time;Confluence unit according to distribution network voltage and direct current bus voltage, dynamically adjusts output power.Confluence unit includes: main power circuit, auxiliary power supply circuit, sampling circuit, drive circuit, control module, protection circuit, first wireless communication module.Sensing unit includes: single-chip microcomputer, wireless communication module, ac power grid power quality monitoring unit, auxiliary power supply.The utility model discloses a kind of combined grid-friendly photovoltaic confluence system for 5G base station, to be able to cope with 5G base station inside direct current bus overvoltage problem, simultaneously can according to the distribution network voltage of surrounding node, dynamically adjust power output, improve the stability of power supply system.